What is the carbon content of 45# steel?
Between 0.42- and zero point five zero percent per cent
The main component of 45# steel is Fe (Tie Yuansu), and contains the following elements:C:0.42~0.50%Si:0.17~0.37%Mn:0.50~0.80%P: = 0.035%S: = 0.035%Cr: = 0.25%Ni: = 0.25%Cu: = 0.25%Density 7.85g/cm3, elastic modulus 210GPa, Poisson's ratio 0.269.
The carbon content of 45# steel is about 0.42~0.50%. 45 steel is the term "GB", also called "oil steel"". Hot spot in the market; cold rolled gauge 1.0~4.0mm.
